Royal Mail Information: To beat the Christmas rush, make sure you post before the recommended last posting date. Your last posting dates for Christmas are: * 1st Class - 21st December * 2nd Class - 18th December * Special Delivery - 23rd December * Standard Parcels - 15th December British Forces Mail: Find out the latest date you can post to BFPOs worldwide. Christmas deliveries Christmas deliveries We'll be trying our very best to get all your Christmas post to you as soon as we can. To help us achieve this, we'll be offering you more services over the festive period: Extra deliveries: In the week leading up to Christmas, we'll be delivering in the evenings and on Sunday the 20th.